OITracker Cboe delayed data

Contract OI history

Back to NB

Jan 15, 2027 EXPIRATION

NB $7.50 Call

NB270115C00007500

Latest saved OI6,200Oct 23, 2026
Last change-4vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
NB $7.50 call open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 6,2073,1030 2026-10-09: 6,197 OI2026-10-13: 6,207 OI2026-10-14: 6,207 OI2026-10-16: 6,207 OI2026-10-21: 6,204 OI2026-10-23: 6,200 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

NB contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing6,200-4
Oct 21, 20266,204-3
Oct 16, 20266,2070
Oct 14, 20266,2070
Oct 13, 20266,207+10
Oct 09, 20266,197No prior observation